#!/bin/bash

######################################################################

#

#   tcar_getConfigValue.sh -- This function standardizes the way

#   configuration values are retrieved from configuration files. As

#   arguments, the configuration file absolute path, the configuration

#   section name, and the configuration option name must be provided.

#

#   Written by: 

#   * Alain Reguera Delgado <al@centos.org.cu>, 2009-2013

#

# Copyright (C) 2009-2013 The CentOS Project

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or (at

# your option) any later version.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#

######################################################################

function tcar_getConfigValue {

    local CONFIGURATION_FILE="${1}"

    local CONFIGURATION_SECTION="${2}"

    local CONFIGURATION_OPTION="${3}"

    local CONFIGURATION_LINES=$(tcar_getConfigLines \

        "${CONFIGURATION_FILE}" "${CONFIGURATION_SECTION}" "${CONFIGURATION_OPTION}")

    for CONFIGURATION_LINE in "${CONFIGURATION_LINES}";do

        local CONFIGURATION_VALUE=$(echo "${CONFIGURATION_LINE}" \

            | cut -d= -f2- | sed -r -e 's/"//g' -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')

        eval echo ${CONFIGURATION_VALUE}

    done

}